大约有 47,000 项符合查询结果（耗时：0.0472秒） [XML]
How to log PostgreSQL queries?
...ement = 'all'
#logging_collector = off to logging_collector = on
Optional: SELECT set_config('log_statement', 'all', true);
sudo /etc/init.d/postgresql restart or sudo service postgresql restart
Fire query in postgresql select 2+2
Find current log in /var/lib/pgsql/9.2/data/pg_log/
The log files t...
What are the various “Build action” settings in Visual Studio project properties and what do they do
... as a default... I'm referring to the BuildAction property for each file selected in Solution Explorer. There are a number of options and it's difficult to know what each one of them will do.
...
How can I tell how many objects I've stored in an S3 bucket?
...
@G-. What if you select all of the bucket's folders?
– gvasquez
Feb 9 '18 at 17:03
4
...
Multiple cases in switch statement
...
This syntax is from the Visual Basic Select...Case Statement:
Dim number As Integer = 8
Select Case number
Case 1 To 5
Debug.WriteLine("Between 1 and 5, inclusive")
' The following is the only Case clause that evaluates to True.
Case 6, ...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...he query plan that is generated is sub-optimal.
For example, if you send SELECT *
FROM table WHERE id BETWEEN 1 AND
99999999, the DBMS may select a
full-table scan instead of an index
scan because you're grabbing every row
in the table (so sayeth the
statistics). If this is the cached
...
How to get a dependency tree for an artifact?
...ent version of m2eclipse (which you should if you use eclipse and maven):
Select the menu entry
Navigate -> Open Maven POM
and enter the artifact you are looking for.
The pom will open in the pom editor, from which you can select the tab Dependency Hierarchy to view the dependency hierarchy (...
Is there a way to recover from an accidental “svn revert”?
...ou will find local history option, where you will find all the history for selected file, including all the operation you did with that file (update,commit, revert ).
Good luck,
Arkde
share
|
impro...
How to check existence of user-define table type in SQL Server 2008?
...y. You can't use OBJECT_ID to search for a table type by name -- check out SELECT name FROM sys.objects WHERE type = 'TT'
– NReilingh
Nov 29 '15 at 9:17
add a comment
...
How to set a default value for an existing column
...able and found this way to check if it had been done already... IF EXISTS(SELECT * FROM information_schema.columns WHERE table_name='myTable' AND column_name='myColumn' AND Table_schema = 'myDBO' AND column_default IS NULL) BEGIN ALTER TABLE [myDBO].[myTable] ADD DEFAULT 0 FOR [myColumn] END
...
FTP/SFTP access to an Amazon S3 Bucket [closed]
...also modifying the objects in the bucket. The value "30" in my system was selected somewhat arbitrarily.
-o enable_noobj_cache (default is disable)
enable cache entries for the object which does not exist. s3fs always has to check whether file(or sub directory) exists under object(path) when s3fs...